Aider
Git-native pair programming in the terminal. A long-running open-source pair programmer for the terminal. It works with git and connects to almost any LLM, including local models.
✓ Last verified October 15, 2026 from official sourcesFree and open source (Apache-2.0). You pay only for the model API you connect, or nothing if you use a local model.
Terminal users who want git-native edits. Fully local and private coding with a local model.
Runs locally. Code goes only to the model you choose. Skill level: Advanced.
What it's great at
- Small, clean commits
- Local-model coding
What it can do
- Maps your codebase and commits each change to git
- Can run your linters and tests and fix what they find
- Works with cloud APIs or local models
Example tasks to try
- aider --model sonnet, then: "Add retry logic to the HTTP client."
Start in 5 minutes
- Install with the official aider-install instructions
- Run aider in your git repo with a model and API key
- Review each commit it makes
Go to Aider (open source)'s official page →
Watch out for
Quality depends heavily on the model you connect.
Compare it
- Local vs cloud coding agents: Aider, Cline, OpenCode vs Claude Code, Codex, GitHub Copilot
- Pick an agent for coding
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Official sources
Prices change often. Confirm on the vendor's page before you buy. We're independent, and no vendor pays for placement.